Fuji Electric FRENIC-HVAC User Manual page 472

POWER
STOP
(FWD) cmd.
SS1
(SS1) cmd.
OFF
(SS2) cmd.
OFF
(UP) cmd.
(DOWN) cmd.
(STZ) cmd.
OFF
(RUN) sig.
UP/DOWN freq.
memory 1
0
Clear because (STZ) is active.
UP/DOWN freq.
memory 2
0
UP/DOWN freq.
memory 3
0
F15
C07
C06
C05
Frequency
Multistep Freq. 1
setpoint
0
F15
C07
C06
C05
Output
frequency
0
F07
F08
E14
E15
Multistep Frequency combined with UP/DOWN control overview (H61 = 53)
When H61 = 53
POWER
FWD
UP OFF UP
OFF DOWN
OFF
ON
RUN
Multistep Freq. 2
POWER
FWD
UP
UP
RUN
6-162
LV
STOP
OFF
SS2
OFF UP
OFF
OFF
OFF
Clear because (RUN) is retired.
Multistep Freq. 3
DOWN UP
POWER
t
FWD
t
SS1
t
OFF
t
OFF
t
OFF
DOWN
t
t
RUN
t
t
t
t
Multistep Freq.
1
t
POWER
FWD
DOWN
RUN
t